Just saw this @ Woolworths @ stocked up. Cheaper than the powdered tubs ($10 = 8L). This equates to $2 = 3L.
Each sachet makes 600mls. Same as the one you buy from the supermarket or 7 eleven for $3.50 to $4.
Comes in Powerade Mountain Blast Sachets 5x37g and Powerade Berry Ice Sachets 5x37g